Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:19626' (ECDSA) to the list of known hosts. 2023/05/17 11:28:31 fuzzer started 2023/05/17 11:28:31 dialing manager at localhost:44319 2023/05/17 11:28:31 checking machine... 2023/05/17 11:28:31 checking revisions... syzkaller login: [ 36.679810] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:28:31 testing simple program... [ 36.750737] cgroup: Unknown subsys name 'net' [ 36.837732] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.954920] audit: type=1400 audit(1684322925.850:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 52.125518] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.128333] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.129791] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.133625] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.135897] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.137280] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.515979] ------------[ cut here ]------------ [ 52.516723] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.518440] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.519565] Modules linked in: [ 52.520007] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.525152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.526257] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.526943] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.529265] RSP: 0018:ffff8880176efc00 EFLAGS: 00010282 [ 52.529967] RAX: 0000000000000000 RBX: ffff88800e278040 RCX: 0000000000000000 [ 52.530917] RDX: ffff888016a89b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.531874] RBP: ffff88800e278054 R08: 0000000000000001 R09: 0000000000000000 [ 52.532850] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.533808] R13: ffffffff84e23fe0 R14: ffff88800e278048 R15: ffffffff84d74dc0 [ 52.534801] FS: 0000555556395400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.535896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.536696] CR2: 00007ffe03c03000 CR3: 000000000f88c000 CR4: 0000000000350ef0 [ 52.537658] Call Trace: [ 52.538024] [ 52.538386] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.539053] ipv4_frags_init_net+0x269/0x440 [ 52.539682] ops_init+0xbb/0x6b0 [ 52.540161] setup_net+0x3d9/0x990 [ 52.540695] ? down_read_killable+0x1d7/0x4e0 [ 52.541347] ? __pfx_setup_net+0x10/0x10 [ 52.541899] ? copy_net_ns+0x17c/0x770 [ 52.542486] copy_net_ns+0x321/0x770 [ 52.543015] create_new_namespaces+0x3f6/0xb30 [ 52.543676] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.544376] ksys_unshare+0x44d/0x8e0 [ 52.544913] ? __pfx_ksys_unshare+0x10/0x10 [ 52.545532] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.546337] __x64_sys_unshare+0x31/0x40 [ 52.546896] do_syscall_64+0x3f/0x90 [ 52.547465] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.548153] RIP: 0033:0x7faf9a0b10d7 [ 52.548679] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.550973] RSP: 002b:00007fffced327e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.552006] RAX: ffffffffffffffda RBX: 00007fffced32e28 RCX: 00007faf9a0b10d7 [ 52.552959] RDX: 00007faf9a11b41f RSI: 00007fffced32780 RDI: 0000000040000000 [ 52.553904] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffced32590 [ 52.554854] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf9a1c3bf0 [ 52.555839] R13: 00007fffced328c0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.556845] [ 52.557167] irq event stamp: 9127 [ 52.557646] hardirqs last enabled at (9139): [] __up_console_sem+0x78/0x80 [ 52.558782] hardirqs last disabled at (9150): [] __up_console_sem+0x5d/0x80 [ 52.559955] softirqs last enabled at (8662): [] irq_exit_rcu+0x93/0xc0 [ 52.561084] softirqs last disabled at (8657): [] irq_exit_rcu+0x93/0xc0 [ 52.562209] ---[ end trace 0000000000000000 ]--- [ 52.567599] ------------[ cut here ]------------ [ 52.568264] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.570117] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.571313] Modules linked in: [ 52.571739] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.572975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.574066] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.574798] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.577139] RSP: 0018:ffff8880176efc00 EFLAGS: 00010282 [ 52.577878] RAX: 0000000000000000 RBX: ffff88800eeff040 RCX: 0000000000000000 [ 52.578837] RDX: ffff888016a89b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.579839] RBP: ffff88800eeff054 R08: 0000000000000001 R09: 0000000000000000 [ 52.580814] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.581791] R13: ffffffff84e23fe0 R14: ffff88800eeff048 R15: ffffffff84da7d60 [ 52.582729] FS: 0000555556395400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.583806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.584605] CR2: 00007ffe03c03000 CR3: 000000000f88c000 CR4: 0000000000350ef0 [ 52.585563] Call Trace: [ 52.585928] [ 52.586279] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.586938] ipv6_frags_init_net+0x206/0x3c0 [ 52.587600] ops_init+0xbb/0x6b0 [ 52.588082] setup_net+0x3d9/0x990 [ 52.588607] ? down_read_killable+0x1d7/0x4e0 [ 52.589262] ? __pfx_setup_net+0x10/0x10 [ 52.589801] ? copy_net_ns+0x17c/0x770 [ 52.590393] copy_net_ns+0x321/0x770 [ 52.590916] create_new_namespaces+0x3f6/0xb30 [ 52.591603] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.592294] ksys_unshare+0x44d/0x8e0 [ 52.592814] ? __pfx_ksys_unshare+0x10/0x10 [ 52.593452] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.594243] __x64_sys_unshare+0x31/0x40 [ 52.594789] do_syscall_64+0x3f/0x90 [ 52.595359] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.596057] RIP: 0033:0x7faf9a0b10d7 [ 52.596586] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.598929] RSP: 002b:00007fffced327e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.599938] RAX: ffffffffffffffda RBX: 00007fffced32e28 RCX: 00007faf9a0b10d7 [ 52.600750] RDX: 00007faf9a11b41f RSI: 00007fffced32780 RDI: 0000000040000000 [ 52.601566] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffced32590 [ 52.602377] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf9a1c3bf0 [ 52.603301] R13: 00007fffced328c0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.604335] [ 52.604667] irq event stamp: 11107 [ 52.605121] hardirqs last enabled at (11117): [] __up_console_sem+0x78/0x80 [ 52.606249] hardirqs last disabled at (11128): [] __up_console_sem+0x5d/0x80 [ 52.607415] softirqs last enabled at (11078): [] irq_exit_rcu+0x93/0xc0 [ 52.608528] softirqs last disabled at (11071): [] irq_exit_rcu+0x93/0xc0 [ 52.609663] ---[ end trace 0000000000000000 ]--- [ 52.611100] ------------[ cut here ]------------ [ 52.611779] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.613876] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.615053] Modules linked in: [ 52.615528] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.616780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.617854] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.618592] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.620921] RSP: 0018:ffff8880176efbf0 EFLAGS: 00010286 [ 52.621657] RAX: 0000000000000000 RBX: ffff88800eefea40 RCX: 0000000000000000 [ 52.622620] RDX: ffff888016a89b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.623566] RBP: ffff88800eefea54 R08: 0000000000000001 R09: 0000000000000000 [ 52.624524] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.625465] R13: ffffffff84e23fe0 R14: ffff88800eefea48 R15: ffffffff84db0aa0 [ 52.626408] FS: 0000555556395400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.627499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.628286] CR2: 00007ffe03c03000 CR3: 000000000f88c000 CR4: 0000000000350ef0 [ 52.629237] Call Trace: [ 52.629590] [ 52.629910] nf_ct_net_init+0x224/0x3d0 [ 52.630513] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.631129] ops_init+0xbb/0x6b0 [ 52.631643] setup_net+0x3d9/0x990 [ 52.632147] ? down_read_killable+0x1d7/0x4e0 [ 52.632817] ? __pfx_setup_net+0x10/0x10 [ 52.633423] ? copy_net_ns+0x17c/0x770 [ 52.633961] copy_net_ns+0x321/0x770 [ 52.634523] create_new_namespaces+0x3f6/0xb30 [ 52.635163] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.635856] ksys_unshare+0x44d/0x8e0 [ 52.636425] ? __pfx_ksys_unshare+0x10/0x10 [ 52.636997] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.637779] __x64_sys_unshare+0x31/0x40 [ 52.638369] do_syscall_64+0x3f/0x90 [ 52.638881] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.639622] RIP: 0033:0x7faf9a0b10d7 [ 52.640111] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.642411] RSP: 002b:00007fffced327e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.643431] RAX: ffffffffffffffda RBX: 00007fffced32e28 RCX: 00007faf9a0b10d7 [ 52.644376] RDX: 00007faf9a11b41f RSI: 00007fffced32780 RDI: 0000000040000000 [ 52.645323] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffced32590 [ 52.646289] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf9a1c3bf0 [ 52.647240] R13: 00007fffced328c0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.648218] [ 52.648539] irq event stamp: 11921 [ 52.648999] hardirqs last enabled at (11931): [] __up_console_sem+0x78/0x80 [ 52.650137] hardirqs last disabled at (11942): [] __up_console_sem+0x5d/0x80 [ 52.651299] softirqs last enabled at (11750): [] irq_exit_rcu+0x93/0xc0 [ 52.652390] softirqs last disabled at (11745): [] irq_exit_rcu+0x93/0xc0 [ 52.653493] ---[ end trace 0000000000000000 ]--- [ 54.204059] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.251360] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.299260] Bluetooth: hci0: command 0x040f tx timeout [ 60.347263] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:28:47 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880176ef5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556395400 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe03c03000 CR3=000000000f88c000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002c53d RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4725706db0 CR3=000000000e3dc000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2037343a38323a31312037312079614d XMM01=5d3332373631352e32352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000